NH2-222-3476

Thermostatic Switch

A switch that is actuated by changes in ambient temperature. Excludes:circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

2.750 inches nominal body height, 5.687 inches nominal overall height, 2.812 inches nominal overall width, watertight hazardous locations/environmental protection, 5.188 inches nominal overall length

Basic Details

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NSN

5930-01-321-1894

NIIN

01-321-1894

Item Name

Thermostatic Switch

Part Number

NH2-222-3476

Active

Federal Supply Class

5930 - Switches

Federal Supply Group

Electrical and Electronic Equipment Components

Assigment Date

06/13/1990 (36 years ago)

Item Name Code

00451

Technical Specifications

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Hazardous Locations/Environmental Protection: watertight
Overall Length: 5.188 inches nominal
Overall Height: 5.687 inches nominal
Overall Width: 2.812 inches nominal
Body Height: 2.750 inches nominal
Unthreaded Mounting Hole Diameter: 0.281 inches nominal
Longest Horizontal Distance Between Mounting Centers: 5.188 inches nominal
Shortest Horizontal Distance Between Mounting Centers: 0.656 inches nominal
Longest Vertical Distance Between Mounting Centers: 3.281 inches nominal
Temp Sensing Element Type: bulb
Operating Temp Rating: 245.0 fahrenheit maximum
Mounting Method: bracket and unthreaded hole
Features Provided: electrical access port
Contact Action Stimulus: increase
Mounting Facility Pattern: isosceles triangle
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally open, momentary action
Terminal Type: screw
Contact Load Current Rating: 3.2 amperes inductive load fourth voltage
Contact Load Current Rating: 4.0 amperes inductive load third voltage
Contact Load Current Rating: 4.8 amperes inductive load sixth voltage
Contact Load Current Rating: 8.0 amperes inductive load second voltage
Contact Load Current Rating: 9.6 amperes inductive load fifth voltage
Contact Load Current Rating: 16.0 amperes inductive load first voltage
Contact Load Current Rating: 2.0 amperes inductive load eighth voltage
Contact Load Current Rating: 2.5 amperes inductive load seventh voltage
Contact Adjustability: actuation point adjustable and deactuation point adjustable
Contact Adjustment Range: +140.00 to 215.00 actuation point degrees fahrenheit and +140.00 to 215.00 deactuation point degrees fahrenheit
Contact Adjustment Type: internal actuation point screw and internal deactuation point screw
Contact Voltage Rating In Volts: 115.0 ac at sea level first voltage
Contact Voltage Rating In Volts: 115.0 dc at sea level fifth voltage
Contact Voltage Rating In Volts: 230.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 230.0 dc at sea level sixth voltage
Contact Voltage Rating In Volts: 440.0 ac at sea level third voltage
Contact Voltage Rating In Volts: 440.0 dc at sea level seventh voltage
Contact Voltage Rating In Volts: 550.0 ac at sea level fourth voltage
Contact Voltage Rating In Volts: 550.0 dc at sea level eighth voltage
Media For Which Designed: gas
Precious Material And Location: contacts silver
Precious Material: silver
Style Designator: rectangular

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Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: NH2-222-3476

Part Number	CAGE	Manufacturer	RNCC	RNVC	RNAAC
222-10NH2-2223476	19278	Detroit Switch Inc Dba Detroit Switch Inc	3	2	TX
NH2-222-3476	19857	The Electric Heater Co Dba Hubbell Electric Heater Co.	C	1	ZZ

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